Home / 89,109.43-122,966.31-50,867.46

Finding the Fourth Proportional to 89,109.43, 122,966.31 and 50,867.46

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Solution

The fourth proportional to 89,109.43, 122,966.31 and 50,867.46 is: 70,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,109.43 : 122,966.31 = 50,867.46 : x
  2. Step 2: Convert to fraction form
    89,109.43/122,966.31 = 50,867.46/x
  3. Step 3: Cross multiply
    89,109.43x = 122,966.31 × 50,867.46
  4. Step 4: Simplify right side
    89,109.43x = 6,254,983,240.44
  5. Step 5: Solve for x
    x = 6,254,983,240.44/89,109.43
  6. Step 6: Final answer
    x = 70,194.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.